Almost enough for a regular Midwestern salad.

64 fluid ounces = 128 servings of 1 Tablespoon = 11,520 total calories, if you use a child-cheater to scrape out every drop.

Even the jar looks like it needs to be on a diet

It's called a tub of mayonnaise thank you very much.

For anyone unaware, the gallon size of condiments (mayo, ranch dressing, hot sauce, etc) is typically for food service. IOW, restaurants and the like.

That said, there's nothing stopping individuals from getting it, so the point is still valid.

those are for "restaurants"

Hell yeah, save by buying a 4-pack.

That seems kind of expensive. The Costco 64oz variety is often on sale for <$10.